/**
 * Walks up from plugin-owned canvas wrappers to the application canvas parent.
 * Dock wrapping changes `canvas.parentElement` to `dock-main`; in-flow chrome
 * should still mount on the stable parent.
 *
 * @param el - Candidate mount element.
 * @param host - Plugin host; walking stops here.
 * @param wrappers - Class names to skip. Defaults to dock-main and toolbar-main.
 */
export declare function acuiSkipUiLayoutWrappers(el: HTMLElement, host: HTMLElement, wrappers?: readonly string[]): HTMLElement;
/**
 * Resolves the DOM element that receives the dock panel and flex shrink layout.
 *
 * Prefers an explicit `mountTarget`, otherwise the viewer canvas container's parent
 * when it lies inside `host`. This keeps sibling UI (such as a demo header toolbar)
 * outside the dock flex layout.
 *
 * @param host - Plugin host element (toolbar and theme root).
 * @param mountTarget - Optional explicit dock mount element.
 */
export declare function acuiResolveDockMountTarget(host: HTMLElement, mountTarget?: HTMLElement): HTMLElement;
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